Density measurements of viscoelastic samples with oscillation-type density meters

A. Furtado, J. Gavina, A. Napoleão, J. Pereira, M. T. Cidade, J. Sousa

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Abstract

The oscillation frequencies produced by oscillation-type density meters during the density measurements suffer damping due to the viscosity of newtonian liquids. The effect of viscoelastic behaviour of non-newtonian liquids in the damping of these oscillations is still not known. So, 5 viscoelastic liquids were rheologically characterized, resorting to a rotational rheometer, and their density measured in order to provide a deeper insight into the damping effects produced by these types of fluids. To do so, oscillatory data was related with the obtained density deviations. The results of this study are one of the first insights for the knowledge of the measuring behaviour of these density meters when measuring viscoelastic fluids, one of the scopes of the EMPIR Project 17RPT02-rhoLiq.

Original languageEnglish
Article number012020
JournalJournal Of Physics: Conference Series
Volume1379
Issue number1
DOIs
Publication statusPublished - 29 Nov 2019
EventJoint IMEKO TC1-TC7-TC13-TC18 Symposium 2019 - St. Petersburg, Russian Federation
Duration: 2 Jul 20195 Jul 2019

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